Security Advisory - Two DOS Vulnerabilities of XML Parser in Some Huawei Products

An attacker can exploit these vulnerabilities to lead to DoS attacks.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

HWPSIRT-2017-03037 and HWPSIRT-2017-03038:

Base Score: 6.8 (AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H)

Temporal Score: 6.3 (E:F/RL:O/RC:C)

HWPSIRT-2017-03037 and HWPSIRT-2017-03038:

This vulnerability can be exploited only when the following conditions are present:

The attacker gains access to the affected products network and craft specific XML file.

Vulnerability details:

XML parser have two DOS vulnerabilities in some Huawei products. An attacker may craft specific XML files to the affected products. Due to not check the specially XML file and to parse this file, successful exploit will result in DOS attacks.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

These vulnerability were discovered by Huawei internal tester.

2017-12-01 V1.0 INITIAL

None

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